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Old 01-06-2013, 07:31 PM   #27
abmk's Avatar
Join Date: Dec 2008
Location: U.S
Posts: 15,584

Here's one more way of looking at the AM :

I'll derive it from the actual formula :

AM = (winners+errors forced from opponent-unforced errors)/total no of points

now we know , errors forced from opponent = total points won - winners - unforced errors of opponent

putting that in :

AM = (winners+(total points won-winners-unforced errors of opponent)-unforced errors)/total no of points

i.e = AM = (total points won -unforced errors of opponent - unforced errors)/total no of points

i.e. AM = (total points won - sum of unforced errors)/total no of points

=> the player with more no of points won *always* has the higher aggressive margin
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